adk-stack/btL2CAP.h

   1 /*
   2  * Copyright (C) 2012 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 #ifndef _BT_L2CAP_H_
  17 #define _BT_L2CAP_H_
  18
  19 #include <stdint.h>
  20
  21 #define L2CAP_FLAG_SUPPORT_CONNECTIONS          1
  22 #define L2CAP_FLAG_SUPPORT_CONNECTIONLESS       2
  23
  24 #define L2CAP_CHAN_CONNECTIONLESS               2       //pass to capServiceTx as needed
  25
  26
  27 #define L2CAP_PSM_SDP                   0x0001
  28 #define L2CAP_PSM_RFCOMM                0x0003
  29 #define L2CAP_PSM_AVDTP                 0x0019
  30
  31
  32 #define L2CAP_MAX_PIECED_MESSAGES       4               //most broken messages we support *at once*
  33
  34 typedef struct{
  35
  36     uint8_t flags;
  37
  38     void* (*serviceInstanceAllocate)(uint16_t conn, uint16_t chan, uint16_t remChan);
  39     void (*serviceInstanceFree)(void* service);
  40
  41     void (*serviceRx)(void* service, const uint8_t* data, uint16_t size);
  42
  43 }L2capService;
  44
  45 #ifdef ADK_INTERNAL
  46
  47 #include "sgBuf.h"
  48
  49 //API for services
  50 void l2capServiceTx(uint16_t conn, uint16_t remChan, sg_buf* data);
  51 void l2capServiceCloseConn(uint16_t conn, uint16_t chan);
  52
  53 //API for service management
  54 char l2capServiceRegister(uint16_t PSM, const L2capService* svcData);
  55 char l2capServiceUnregister(uint16_t PSM,char sendDiscPacket);
  56
  57
  58 //API for ACL
  59 void l2capAclLinkUp(uint16_t conn);
  60 void l2capAclLinkDataRx(uint16_t conn, char first, const uint8_t* data, uint16_t size);
  61 void l2capAclLinkDown(uint16_t conn);
  62
  63
  64 #endif
  65 #endif